//
// Created by 51165 on 2025/10/14.
//
#include <stdio.h>
int main() {
    for (int i = 1;i<=9;i++) {
        for (int j = 1;j <= i; j++) {
            printf("%d*%d=%d ",i,j,i*j);
        }
        printf("\n");
    }
    return 0;
}